FOR CINNAMON CROUTONS: Combine butter, brown sugar, and cinnamon; stir well. Spread butter mixture evenly over one side of bread slices. Place bread, buttered side up, on a baking sheet. Bake at 400 for 8-10 min. or until bread is crisp and topping is bubbly. Cut each slice of bread into 8 small triangles or squares. Makes: 32 croutons.